Деякi детермінованi моделi задач нечіткого лінійного програмування

We consider deterministic equivalents of various formulations of linear programming prob-lems, in which the coefficients of the objective function, constraints and the boundary values of the variables of the problem and the right-hand side are represented by fuzzy sets. The methods for comparing the...

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Bibliographic Details
Date:2016
Main Author: Zack, Y. A.
Format: Article
Language:Russian
Published: The National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" 2016
Online Access:http://journal.iasa.kpi.ua/article/view/65806
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Journal Title:System research and information technologies

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System research and information technologies
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Summary:We consider deterministic equivalents of various formulations of linear programming prob-lems, in which the coefficients of the objective function, constraints and the boundary values of the variables of the problem and the right-hand side are represented by fuzzy sets. The methods for comparing the fuzzy sets and selecting the best ones are proposed. The problem of finding the vec-tor of variables as a vector of real numbers is reduced to solving the one-criterion or multicriteria problem with the significantly large number of constraints. In solving the problem as a vector of Fuzzy-sets, the equivalent problem was determined – a sequence of linear programming problems. The formulated problems can be solved by the simplex method.